> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# 4x4 Matrix Membrane Keypad

**Type:** Product page · **SKU:** COM-16038 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/4x4-matrix-membrane-keypad.html ([markdown](https://core-electronics.com.au/4x4-matrix-membrane-keypad.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: FIT0129.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/FIT0129

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

This slim, 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

**Features**

- Ultra-thin design & adhesive backing provides easy integration to any project
- Easy communication with any microcontroller
- Cable included
- Maximum Rating: 24 VDC, 30 mA
- Interface: 8-pin access to 4x4 matrix
- Dimensions: Keypad: 2.7 x 3.0 in (6.9 x 7.6 cm) Cable: 0.78 x 3.5 in (2.0 x 8.8 cm)
- Operating temp range: 32 to 122 °F (0 to 50 °C)

**Documents**

- [Datasheet](https://cdn.sparkfun.com/assets/f/f/a/5/0/DS-16038.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/6/16038_-_4x4_matrix_membrane_keypad_copy.jpg)